These winter wetsuit booties are crafted from stretchy 5mm 85% Yulex natural rubber and 15% synthetic rubber, providing exceptional warmth and flexibility for cold water conditions. Ideal for water temperatures between 38°48° F (3°9° C), these booties feature a full-foot design to maximize warmth and comfort. Made in a Fair Trade Certified factory, they combine sustainability with high performance, ensuring your feet stay warm and dry. Made from 85% Yulex natural rubber and 15% synthetic rubber Natural rubber is FSC certified by Preferred by Nature Best for water temperatures: 38°48° F (3°9° C) Warm and stretchy solution-dyed lining made from recycled nylon, polyester, and spandex Triple-glued, blindstitched seams with internal taping at high-stress areas Custom asymmetrical grip pattern for improved dexterity and board control Microgasket at cuff to prevent water entry Made in a Fair Trade Certified factory Weight 499 g Materials Main: 5mm 85% Yulex natural rubber, 15% synthetic r